par David Hagberg
Flash Gordon Novels de David Hagberg réunit 6 livres. Massacre in the 22nd Century, War of the Citadels et Crisis on Citadel II figurent dans la série.
29 livres
7 livres
4 livres
2 livres
Massacre in the 22nd Century
1980
War of the Citadels
Crisis on Citadel II
Forces from the Federation
1981
Citadels Under Attack
Citadels on Earth